I was surprised when the shopkeeper told me that my father had visited the shop, paid for the framing and______ them wrapped.
A、should
B、would
C、had
D、could
A. Result Type is optional.
B. Result Type is mandatory.
C. Result Type can be changed after it is assigned to the function activity.
D. Result Type should belong to the same item type as the function activity
Class C network 200.1.1.0/24 was allocated to an ISP that operated primarily in AsiA.That ISP then assigned this entire Class C network to one of its Asian customers. Network 200.1.2.0/24 has yet to be assigned to any ISP.Which of the following is most likely to be true?()
A. 200.1.2.0/24 could be assigned to any registrar or ISP in the worlD
B. 200.1.2.0/24 will be assigned in the same g eography (Asia) as 200.1.1.0/24
C. 200.1.2.0/24 cannot be assigned as public address spacE
D. Routers inside North American ISPs increase their routing table size by 1 as a result of the customer with 200.1.1.0/24 connecting to the Internet
A. The network 10.0.10.0/24 will be allowed and assigned a metric of 200
B. All networks except 10.0.0.0/8 will be allowed and assigned a metric of 200
C. The network 172.16.0.0/16 will be allowed and assigned a metric of 200
D. The network 192.168.1.0 will be allowed and assigned a metric of 100
A. The IP address can be automatically assigned to a host.
B. The IP address can be assigned as a random hash value of the burned - in - address of the lowest - numbered LAN interface on the router.
C. The network administrator can assign a speci fic IP address to a specific host MAC address.
D. The IP address can be assigned from configured pools in a reverse lexicographical order.
E. The IP address can be assigned to a host for a limited time or until the host explicitly releases the address.
F. The IP address can be assigned to a host until the host usurps the assigned value using its own dynamic override mechanism.
北京恒业世纪科技股份有限公司7月招聘面试题面试题面试官常问到的一些题目整理如下:问题 Q1:是否使用过functools中的函数?其作用是什么?可用的回答 :python自带的 functools 模块提供了一些常用的高阶函数,也就是用于处理其它函数的特殊函数。换言之,就是能使用该模块对可调用对象进行处理。functools.cmp_to_key(func)functools.total_ordering(cls)functools.reduce(function, iterable, initializer)functools.partial(func, args, *keywords)functools.update_wrapper(wrapper, wrapped, assigned, updated)functools.wraps(wrapped, assigned, updated)问题 Q2:如何在Python中删除文件?可用的回答 :使用命令os.remove(filename) 删除文件 或 os.unlink(filename) 删除快捷方式问题 Q3:跨域请求问题django怎么解决的(原理)?可用的回答 : 1. 启用中间件 2. post请求 3. 验证码 4. 表单中添加%csrf_token%标签 问题 Q4:是否使用过functools中的函数?其作用是什么?可用的回答 :python自带的 functools 模块提供了一些常用的高阶函数,也就是用于处理其它函数的特殊函数。换言之,就是能使用该模块对可调用对象进行处理。functools.cmp_to_key(func)functools.total_ordering(cls)functools.reduce(function, iterable, initializer)functools.partial(func, args, *keywords)functools.update_wrapper(wrapper, wrapped, assigned, updated)functools.wraps(wrapped, assigned, updated)问题 Q5: Django重定向你是如何实现的?用的什么状态码?可用的回答 : 使用HttpResponseRedirect redirect和reverse 状态码:302,301 问题 Q6:如何在python中使用三元运算符?可用的回答 :三元运算符是用于显示条件语句的运算符。这包含true或false值,并且必须为其评估语句。其基本语法为:三元运算符是用于显示条件语句的运算符。这包含true或false值,并且必须为其评估语句。其基本语法为:on_true if expression else on_false问题 Q7:如何将数字转换为字符串?可用的回答 :要将数字转换为字符串,请使用内置函数str()。如果需要八进制或十六进制表示,请使用内置函数oct()或hex()问题 Q8:如何删除python数组的值?可用的回答 :可以使用pop()或remove()方法删除数组元素。这两个函数之间的区别在于前者返回已删除的值,而后者则不返回。问题 Q9:scrapy和scrapy-redis的区别?可用的回答 : scrapy是一个爬虫通用框架,但不支持分布式,scrapy-redis是为了更方便的实现scrapy分布式爬虫,而提供了一些以redis为基础的组件 为什么会选择redis数据库?因为redis支持主从同步,而且数据都是缓存在内存中,所以基于redis的分布式爬虫,对请求和数据的高频读取效率非常高 什么是主从同步?在Redis中,用户可以通过执行SLAVEOF命令或者设置slaveof选项, 让一个服务器去复制(replicate)另一个服务器,我们称呼被复制的服务器为主服务器(master),而对主服务器进行复制的服务器则被称为从服务器(slave), 当客户端向从服务器发送SLAVEOF命令,要求从服务器复制主服务器时,从服务器首先需要执行同步操作,也即是,将从服务器的数据库状态更新至主服务器当前所处的数据库状态 问题 Q10:什么是PYTHONPATH?可用的回答 :它是导入模块时使用的环境变量。每当导入模块时,也会查找PYTHONPATH以检查各个目录中是否存在导入的模块。解释器使用它来确定要加载的模块。算法题面试官常问到的一些算法题目整理如下(大概率会机考):算题题 A1:二叉树的最大深度题目描述如下:可做参考的解答如下:class Solution: def maxDepth(self, root: TreeNode) - int: if root is None: return 0 else: left_height = self.maxDepth(root.left) right_height = self.maxDepth(root.right) return max(left_height, right_height) + 1 算题题 A1:两个排序后的列表的中位数题目描述如下:There are two sorted arrays nums1 and nums2 of size m and n respectively.Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+n).You may assume nums1 and nums2 cannot be both empty. Example 1:nums1 = 1, 3nums2 = 2The median is 2.0Example 2:nums1 = 1, 2nums2 = 3, 4The median is (2 + 3)/2 = 2.5求两个列表合并后的中位数。时间复杂度要求O(log (m+n)1. 直接sorted后取中位,时间复杂度为O(m+n)log(m+n)。2. 不用全部排序,本质上是一个求第k(s)小的数。 时间复杂度(O( (m+n)/2 )还是没到要求的 O(log (m+n),此版beat 43%56%。 # 打印真的是很慢,只打印一条很小的数据2.方法就会只能beat 7%.3. 最后是 O(Log(m+n) 的思路:求第k小的数的时候,有一种方法是每次去除 k / 2 个数,剩余 1个时就找到了最终要找的数。a = 1, 2, 4, 6b = 3, 5, 7, 9此时的 k 为 8 / 2 = 4.k/2 = 2则对比 a与b的第2个数也是下标为2-1哪个较小,较小的一组去除。然后循环即可。因为是排过序的列表,不论哪一个列表中,去除 k/2 个数都不会去除目标。因为只有k的一半,又是排过序的,假设ak/2bk/2:1. 去除的值只有k的一半,2. 选择的是较小的那一组,那么组合起来:b:k/2-1 + a
有关 Assigned的说法哪个是正确的?( )
A.其他三项都不对
B.Assigned的作用是判断一个对象是否为 Nil,如果是Nil,返回 True,如果不是Nil,返回 False
C.Assigned的参数可以是对象或者方法,或者是一个指针
D.Assigned的作用是判断 Assign过程是否已经完成。
[A] allocated [B] allotted [C] appointed [D] assigned
A certificated lifeboatman assigned to command the lifeboat must ______.
A.be the first individual to board the craft
B.drain the hydraulic pressure before lowering the craft
C.have a list of the persons assigned to the liftboat
D.all of the above
Having been familiar with his ability, ().
Athe manager was assigned a challenging task
Bthe manager assign a challenging task
Cthe board assigned him a challenging task
Da challenging task was assigned to the manager